Back Adjustable Wellington from Hunter. The Original Back Adjustable is a twist on the classic Hunter Original Tall wellington boot. It features a concealed gusset to the rear which allows for a more generous fit on the upper leg. Maintaining Hunters famous orthopaedic fit for comfort and support it is built from a natural rubber construction. Perfect to wear with bulkier trousers of for those would like more leg room the Hunter Original Back Adjustable is a versatile and stylish way to keep your feet dry.